Takashi Katoku

SO Sony: 1 patents #128 of 577Top 25%

Overall (1989): #53,292 of 140,708Top 40%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4858848	Magnetic tape cassette	Masato Tanaka	1989-08-22